Do your workouts need some variety? Looking for new ways to test yourself? Add a new element to your training routine with inline skating by hitting the pavement with our X-Training skates. They come fully loaded with functional features like VO2 S single-sided frames big wheels with premium bearings and the Vortex Ventilation System. This seasons brings three new models to the VO2 S family the 90 BOA Unisex 100X BOA Unisex and a men’s 100 BOA - all designed for the athlete!